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The basic unit of the nucleic acid DNA is a DNA nucleotide. There are four different DNA nucleotides, each of which has one of four nitrogen bases. Each DNA nucleotide is composed of the sugar deoxyribose, a phosphate group, and one of four nitrogen bases: adenine, thymine, cytosine, and guanine.
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How many molecules are in a strand of hair?
70,000 molecules in one hair strand ( average length, to shoulder)
What strand of DNA would be produced from from the template strand of DNA shown below?
Ttg ga
What is the melting and boiling point of DNA?
You are asking about nucleotide thermodynamics, and there is no simple answer to this question because you are asking something like what is the melting point of metal. there are many different types of metal and it depends on the element(s) DnA melting point depends on the nucleotide makeup of the strand of DNA.
DNA is a chemical code called?
Every strand of DNA has a different code made out of atcg
DNA molecule antiparallel Why?
The DNA molecule is anti-parallel. This is because the two strands are the opposite of one another, such that if one strand has the base sequence ATC, the opposite strand would have the base sequence TAG.
Why the DNA molecule is compared with a twisted ladder?
the whole DNA strand looks like a twisted ladder. the molecules are on the strand.
What is ligase?
This enzyme is used on the lagging strand of DNA and seals the lagging strand to its daughter strand in order to create another double helix DNA
A restriction enzyme is likely to cut which kind of molecules?
DNA molecules. A strand of DNA molecules can be cut to have blunted ends or jagged ends (sticky ends).
Name the molecules or parts of a nucleotide which join by a hydrogen bond to attach to the double strand of DNA?
(Adenine and Thymine) or (Guanine and Cytosine) are the respective molecules which join by hydrogen bond to attach to the double strand of DNA.
The results of gel electrophoresis are shown below. What can you determine about the DNA from looking at the results of this test?
Strand 4 is the largest-Apex
Who discovered DNA was a strand of molecules in a spiral form?
James Watson and Francis Crick.
Each DNA strand has a backbone that consists of alternating?
sugar and phosphate units/molecules.
What molecule has the shape of a double strand helix?
DNA, and the shape is also known as a double helix.
Why is replication called 'semi-conservative'?
DNA replication is said to be 'semi-conservative' because the two new daughter DNA molecules are "Half old" and "Half new". Half the original DNA molecule is saved, or conserved in the daughter molecules.
What is the product of DNA replication?
Two molecules of DNA instead of the original one; each molecule now contains one strand from the double helix of the original molecule, and one new strand
What is the strand?
The template strand, if reffering to DNA, is the strand of the DNA that is copied to make more DNA.
What does RNA polymerase use one strand of DNA as?
No. All strands can be replicated, just depends on where the enzyme decides to land and unzip it. Anyways, all DNA molecules would be adequate templates since they are all identical copies of each other.
